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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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In acid hydrolysis process of biomass saccharification. neutralization of acid hydrolyzate is essential step, which resulted in dissolved cations in glucose solution. Impact of cations to Kluyveromyces marxianus in glucose solution was investigated focused on ethanol fermentation. Either potassium or sodium cations decreased the ethanol fermentation and glucose to ethanol conversion.
Glucose consumption by K. marxianus was delayed by increasing potassium cation concentration as completely consumed within 12 h in potassium cation 0.46 mol and 0.92 mol but within 24 h in potassium cation 1.38 mol. Also, ethanol fermentation process was slowed down with increasing concentration of the potassium sulfate.
Fermentation of glucose solution to ethanol was more inhibited by sodium cation than potassium cation in glucose solution. Glucose was completely consumed within 24 h in sodium cation 0.95 mol. but at 1.90 mol or 2.84 mol in sodium cation could not finish the fermentation within 48 hour. Ethanol concentration was 22.26 g/L at low sodium cation in glucose solution with complete fermentation within 24 h. With increasing sodium cation in glucose solution, final ethanol concentration was reached at 14.10 g/L (sodium cation con) and 0.21 g/L (sodium cation con), which meant delaying of fermentation by sodium cations.
Glucose consumption by K. marxianus was delayed by increasing potassium cation concentration as completely consumed within 12 h in potassium cation 0.46 mol and 0.92 mol but within 24 h in potassium cation 1.38 mol. Also, ethanol fermentation process was slowed down with increasing concentration of the potassium sulfate.
Fermentation of glucose solution to ethanol was more inhibited by sodium cation than potassium cation in glucose solution. Glucose was completely consumed within 24 h in sodium cation 0.95 mol. but at 1.90 mol or 2.84 mol in sodium cation could not finish the fermentation within 48 hour. Ethanol concentration was 22.26 g/L at low sodium cation in glucose solution with complete fermentation within 24 h. With increasing sodium cation in glucose solution, final ethanol concentration was reached at 14.10 g/L (sodium cation con) and 0.21 g/L (sodium cation con), which meant delaying of fermentation by sodium cations.
목차
ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
Literature Cited
참고문헌 (15)
참고문헌 신청
1. [학술지(정기간행물)] - Sun, Y. / 2002 / Hydrolysis of lignocellulosic materials for ethanol production : a review / Bioresource Technology 83 : 1 ~ 11
2. [학술지(정기간행물)] - 윤수영 / 2014 / 알칼리 전처리가 굴참나무의 효소 당화에 미치는 영향 / 펄프종이기술 46 (6) : 1 ~ 7
3. [학술지(정기간행물)] - Cho, N. S. / 1989 / Autohydrolysis and enzymatic saccharification of lignocellulosic materials(Ⅰ)-the effect of autohydrolysis on wood component fractionation and its enzymatic hydrolysis / Journal of Korea TAPPI 21 (3) : 24 ~ 34
4. [학술지(정기간행물)] - Alvira, P. / 2010 / Pretreatment technologies for an efficient bioethanol production process based on enzymatic hydrolysis : a review / Bioresource Technology 101 : 4851 ~ 5861
5. [학술지(정기간행물)] - Li, C. / 2010 / Comparison of dilute acid and ionic liquid pretreatment of switchgrass : Biomass recalcitrance, delignification and enzymatic saccharification / Bioresource Technology 101 (13) : 4900 ~ 4906
2. [학술지(정기간행물)] - 윤수영 / 2014 / 알칼리 전처리가 굴참나무의 효소 당화에 미치는 영향 / 펄프종이기술 46 (6) : 1 ~ 7
3. [학술지(정기간행물)] - Cho, N. S. / 1989 / Autohydrolysis and enzymatic saccharification of lignocellulosic materials(Ⅰ)-the effect of autohydrolysis on wood component fractionation and its enzymatic hydrolysis / Journal of Korea TAPPI 21 (3) : 24 ~ 34
4. [학술지(정기간행물)] - Alvira, P. / 2010 / Pretreatment technologies for an efficient bioethanol production process based on enzymatic hydrolysis : a review / Bioresource Technology 101 : 4851 ~ 5861
5. [학술지(정기간행물)] - Li, C. / 2010 / Comparison of dilute acid and ionic liquid pretreatment of switchgrass : Biomass recalcitrance, delignification and enzymatic saccharification / Bioresource Technology 101 (13) : 4900 ~ 4906
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UCI(KEPA) : I410-ECN-0101-2016-586-001700289